EXAMPLE 7 = The Path of a Projectile An object thrown or fired straight upward at an initial speed of vo ft/s will reach a height of h feet after t seconds, where h and t are related by the formula h = -1612 + Vot Suppose that a bullet is shot straight upward with an initial speed of 800 ft/s. Its path is shown in Figure 2. (a) When does the bullet fall back to ground level? (b) When does it reach a height of 6400 ft? (c) When does it reach a height of 2 mi? (d) How high is the highest point the bullet reaches?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
Question
EXAMPLE 7 = The Path of a Projectile
An object thrown or fired straight upward at an initial speed of vo ft/s will reach a
height of h feet after t seconds, where h and t are related by the formula
h = -1612 + Vot
Suppose that a bullet is shot straight upward with an initial speed of 800 ft/s. Its path
is shown in Figure 2.
(a) When does the bullet fall back to ground level?
(b) When does it reach a height of 6400 ft?
(c) When does it reach a height of 2 mi?
(d) How high is the highest point the bullet reaches?
Transcribed Image Text:EXAMPLE 7 = The Path of a Projectile An object thrown or fired straight upward at an initial speed of vo ft/s will reach a height of h feet after t seconds, where h and t are related by the formula h = -1612 + Vot Suppose that a bullet is shot straight upward with an initial speed of 800 ft/s. Its path is shown in Figure 2. (a) When does the bullet fall back to ground level? (b) When does it reach a height of 6400 ft? (c) When does it reach a height of 2 mi? (d) How high is the highest point the bullet reaches?
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